Standards of performance for new sources.

§ 421.114 Standards of performance for new sources.

Any new source subject to this subpart shall achieve the following new source performance standards:

(a) Subpart K—Concentrate Digestion Wet Air Pollution Control.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of concentrate digested
Lead.174.081
Zinc.635.261
Ammonia (as N)82.91036.450
Fluoride21.77012.440
Total suspended solids9.3307.464
pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(b) Subpart K—Solvent Extraction Raffinate.

NSPS

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
mg/kg (pounds per million pounds) of concentrate digested
Lead2.5921.203
Zinc9.4423.888
Ammonia (as N)1,233.000542.5000
Fluoride324.000185.100
Total Suspended Solids138.900111.100
pH( 1)( 1)

1 Within the range of 7.5 to 10.0 at all times.

(c) Subpart K—Solvent Extraction Wet Air Pollution Control.

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